Coefficient of discharge of an ideal liquid can be defined as a
ratio of actual discharge and theoretical discharge. where,
Cofficient of discharge = Actual Discharge/ Theoretical
discharge.
Coefficient of discharge of an ideal liquid can be defined as a
ratio of actual discharge and theoretical discharge. where,
Cofficient of discharge = Actual Discharge/ Theoretical
discharge.
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A discharge coefficient is used to account for inaccuracies
resulting from assuming plug flow and neglecting friction in the
Bernoulli equation.
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In Venturi meter losses are less so coefficient of discharge is higher whereas in orifice meter due to no convergent and divergent cones there are more losses and hence its coefficient of discharge is less.In venturi meter losses are low due to steamline shape of the diffuser and the pressure gradient is not abrupt as in case of orifice meter.